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/* -*- c++ -*- */
/*
* Copyright 2015,2016 Free Software Foundation, Inc.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_DTV_DVB_BCH_BB_IMPL_H
#define INCLUDED_DTV_DVB_BCH_BB_IMPL_H
#include <gnuradio/dtv/dvb_bch_bb.h>
#include "dvb_defines.h"
namespace gr {
namespace dtv {
class dvb_bch_bb_impl : public dvb_bch_bb
{
private:
unsigned int kbch;
unsigned int nbch;
unsigned int bch_code;
unsigned int m_poly_n_8[4];
unsigned int m_poly_n_10[5];
unsigned int m_poly_n_12[6];
unsigned int m_poly_s_12[6];
unsigned int m_poly_m_12[6];
int poly_mult(const int*, int, const int*, int, int*);
void poly_pack(const int*, unsigned int*, int);
void poly_reverse(int*, int*, int);
inline void reg_4_shift(unsigned int*);
inline void reg_5_shift(unsigned int*);
inline void reg_6_shift(unsigned int*);
void bch_poly_build_tables(void);
public:
dvb_bch_bb_impl(dvb_standard_t standard, dvb_framesize_t framesize, dvb_code_rate_t rate);
~dvb_bch_bb_impl();
void forecast (int noutput_items, gr_vector_int &ninput_items_required);
int general_work(int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
} // namespace dtv
} // namespace gr
#endif /* INCLUDED_DTV_DVB_BCH_BB_IMPL_H */
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